<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索框和添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" >
          <!-- 作用域插槽的使用 -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <!-- 分配角色 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
               <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
       <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper" :total="total">
       </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户 "
      :visible.sync="addDialogVisible"
      width="50%" @close="addDialogClose">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
         <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
         <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
         <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @click="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {

  data () {
        // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if(regEmail.test(value)){
        // 合法邮箱
        return cb()
      }
      cb(new Error('请输入合法邮箱'))
    }
     // 验证手机的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机的正则表达式
      const regMobile=/^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if(regMobile.test(value)){
        // 正确的手机
        return cb()
      }
      cb(new Error('请输入正确格式的手机号码'))
    }
    return {
      queryInfo:{
        // 搜索字段
        query:'',
        // 当前页数
        pagenum:1,
        // 当前页面显示多少条数据
        pagesize:5
      },
      userlist:[],
      total:0,
      // 控制添加用户对话框显示和隐藏
      addDialogVisible:false,
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      // 添加表单验证规则的对象
      addFormRules:{
        username:[
          {required:true,message:'请输入用户名',trigger:'blur'},
          {min:3,max:10,message:'用户名长度在3~10个字符之间',trigger:'blur'}
        ],
        password:[
          {required:true,message:'请输入密码',trigger:'blur'},
          {min:6,max:15,message:'用户名长度在6~15个字符之间',trigger:'blur'}
        ],
        email:[
           {required:true,message:'请输入邮箱',trigger:'blur'},
           {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          {required:true,message:'请输入手机',trigger:'blur'},
           {validator:checkMobile,trigger:'blur'}

        ]
      },
      // 控制修改用户对话框显示和隐藏
      editDialogVisible:false,
      // 查询用户信息的对象
      editForm:{},
      // 修改表单验证规则的对象
      editFormRules:{
         email:[
           {required:true,message:'请输入邮箱',trigger:'blur'},
           {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          {required:true,message:'请输入手机',trigger:'blur'},
           {validator:checkMobile,trigger:'blur'}

        ]
      }
    }
  },

  methods: {
    // 获取用户列表数据
    async getUserList(){
      const res = await this.axios.get('users',{
        params:this.queryInfo
      })
      console.log(res);
      if(res.meta.status!==200) return this.$message.error('获取用户列表失败');
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize的事件
    handleSizeChange(newSize){
      this.queryInfo.pagesize = newSize
      this. getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage){
      this.queryInfo.pagenum = newPage
      this. getUserList()
    },
    // 改变switch开关状态的改变
    async userStateChange(userinfo){
      console.log(userinfo);
        const res = await this.axios.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if(res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！');
      }
      this.$message.success('更新用户状态成功！');
    },
    // 监听添加用户对话框的关闭事件
    addDialogClose(){
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser(){
      this.$refs.addFormRef.validate(async valid=>{
        if(!valid) return
        // 可以发起添加用户的网络请求
        const res = await this.axios.post('users',this.addForm)
         if(res.meta.status !== 201) {
        this.$message.error('更新用户状态失败！')
        }
        this.$message.success('更新用户状态成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 刷新用户列表，只需要重新获取用户列表
        this.getUserList()
      
      })
    },
    // 展示修改用户的对话框
    async showEditDialog(id){
      var res = await this.axios.get('users/' + id)
      if(res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
        }
        this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo(){
       this.$refs.editFormRef.validate(async valid => {
         console.log(valid);
         
        if(!valid) return
        // 可以发起修改用户的网络请求
        const res = await this.axios.put('users/' + this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
         if(res.meta.status !== 200) {
        return this.$message.error('修改用户信息失败！')
        }
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新用户列表，只需要重新获取用户列表
        this.getUserList()
        this.$message.success('修改用户信息成功！')

      })
    },
    // 根据ID删除对应用户的信息
    async removeUserById(id){
       const confirmRes = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        // 如果用户确认删除，返回字符串'confirm'
        // 如果用户取消删除，返回字符串'cancel'
        if(confirmRes !== 'confirm'){
          return this.$message.info('已取消删除')
        }
        const res = await this.axios.delete('users/' + id)
        if(res.meta.status !== 200){
          return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除用户成功！')
        this.getUserList()
        
    }
  },

  created () {
    this.getUserList()
  }
}
</script>

<style lang='less' scoped>



</style>
